A solution which contains all the required elements in their correct proportions is known as a
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2004
Which of the following practices does not contribute to intensive depletion of forest resources in West Africa?
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2004
(a) Describe six protective adaptations used by animals against predation and give one example in each case.(b)(i) What is pollution?
(ii) State six human activities which cause pollution.
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2004
(a) Explain briefly the following terms:
(i) phenotype
(ii) hybrid
(iii) dominant character.(b) Two varieties of maize, one with yellow (Y) grains and the other with purple (y) grains were crossed and all their offspr…
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2004
(a) Describe an experiment to show that green plants require sunlight for photosynthesis. (Details of test for starch not required)(b) What other conditions are necessary for photosynthesis?(c) Name the part of a dicotyl…
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2004
(a) Distinguish between pollination and fertilization in plants.(b)(i) State five features which ensure cross pollination in plants.
(ii) Name one plant example for each feature(c)(i) Name three agents of pollination
(ii…
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2004
(a)(i) What is a joint?
(ii) List three types of movable joints and mention one location in the mammalian body of each type.(b)(i) Make a labelled diagram, 8-10cm long, of a typical movable joint.
(iii) Explain how the…
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2004
(a) What is a habitat?(b) Describe the energy flow in a freshwater habitat.(c) List (i) three biotic factors; (ii) five abiotic factors which affect plants in freshwater habitat.
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2004
The nucleus controls the activities of the cell because it
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2004
Which two structures are present in a palisade cell but not in a liver cell?
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2004
Euglena can be classified as an animal because of the possession of
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2004
Hydra able to perform all the following functions except
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2004
Which of the following characteristics is not possessed by most plants? Ability to
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2004
The axial skeleton is made up of the following
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2004
Which of the following groups of vertebrae have two branches at the end of their transverse processes?
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2004
How many conjugants are involved in sexual reproduction of paramecium
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2004
The process by which a drop of ink spreads uniformly in a beaker of water is called
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2004
Green plants lose water to the atmosphere through the process of
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2004
The products of respiration are
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2004
The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood